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5 Written questions

5 Matching questions

  1. Reverse Osmosis Desalination
  2. Density
  3. Sea Salts
  4. Neritic Zone
  5. Bathyal Zone
  1. a Begins at the continental slope and extends to a depth of 4,000 meters.
    animals that live there: octopi, sea stars, and brachiopods.
  2. b A popular method for desalinating ocean water. It includes the use of special membranes that allow water under high pressure to pass through and that block the dissolved salts.
  3. c The ratio of the mass of a substance to the volume of the substance; commonly expressed as grams per cubic centimeter for solids and liquids and as grams per liter for gases.
  4. d The area of the pelagic zone above the continental shelves. Has abundant sunlight, moderate temperatures, and relatively low water pressure.
  5. e Dissolved solids that make up about 3.5% of the mass of ocean water. These dissolved solids give the ocean its salty taste.

5 Multiple choice questions

  1. The raising of aquatic plants and animals for human use or consumption.
  2. Microscopic plants in the ocean that provide food to many of the ocean's organisms.
  3. The bottom region of oceans and bodies of fresh water.
  4. Elements that exist in very small amounts.
    ex: gold, zinc, and phosphorus.
  5. The shallow benthic zone that most organisms live in; located on the continental shelves and is populated by organisms such as sea stars, brittle stars, and sea lilies.

5 True/False questions

  1. DistillationA process of removing salt from ocean water.

          

  2. UpwellingA method of desalination where water is frozen. Then the first ice crystals that form do not contain salt. The ice can be removed and melted to obtain fresh water.

          

  3. SalinityThe ratio of the mass of a substance to the volume of the substance; commonly expressed as grams per cubic centimeter for solids and liquids and as grams per liter for gases.

          

  4. Oceanic ZoneExtends into the deep waters beyond the continental shelf.

          

  5. NodulesOrganisms that live at the bottom of oceans or bodies of fresh water.

          

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